972793453 has 4 divisors (see below), whose sum is σ = 973184608. Its totient is φ = 972402300.

The previous prime is 972793447. The next prime is 972793463. The reversal of 972793453 is 354397279.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354397279 = 9029 ⋅39251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972793453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 972793397 and 972793406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972793403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191823 + ... + 196828.

It is an arithmetic number, because the mean of its divisors is an integer number (243296152).

Almost surely, 2^972793453 is an apocalyptic number.

It is an amenable number.

972793453 is a deficient number, since it is larger than the sum of its proper divisors (391155).

972793453 is a wasteful number, since it uses less digits than its factorization.

972793453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391154.

The product of its digits is 1428840, while the sum is 49.

The square root of 972793453 is about 31189.6369488329. The cubic root of 972793453 is about 990.8476408736.

The spelling of 972793453 in words is "nine hundred seventy-two million, seven hundred ninety-three thousand, four hundred fifty-three".